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Commit | Line | Data |
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a6c2ba28 | 1 | /* |
6ea54d93 DSL |
2 | em28xx-video.c - driver for Empia EM2800/EM2820/2840 USB |
3 | video capture devices | |
a6c2ba28 | 4 | |
f7abcd38 MCC |
5 | Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it> |
6 | Markus Rechberger <mrechberger@gmail.com> | |
2e7c6dc3 | 7 | Mauro Carvalho Chehab <mchehab@infradead.org> |
f7abcd38 | 8 | Sascha Sommer <saschasommer@freenet.de> |
a6c2ba28 | 9 | |
439090d7 MCC |
10 | Some parts based on SN9C10x PC Camera Controllers GPL driver made |
11 | by Luca Risolia <luca.risolia@studio.unibo.it> | |
12 | ||
a6c2ba28 | 13 | This program is free software; you can redistribute it and/or modify |
14 | it under the terms of the GNU General Public License as published by | |
15 | the Free Software Foundation; either version 2 of the License, or | |
16 | (at your option) any later version. | |
17 | ||
18 | This program is distributed in the hope that it will be useful, | |
19 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | GNU General Public License for more details. | |
22 | ||
23 | You should have received a copy of the GNU General Public License | |
24 | along with this program; if not, write to the Free Software | |
25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #include <linux/init.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/kernel.h> | |
e5589bef | 32 | #include <linux/bitmap.h> |
a6c2ba28 | 33 | #include <linux/usb.h> |
a6c2ba28 | 34 | #include <linux/i2c.h> |
b296fc60 | 35 | #include <linux/version.h> |
6d35c8f6 | 36 | #include <linux/mm.h> |
1e4baed3 | 37 | #include <linux/mutex.h> |
a6c2ba28 | 38 | |
f7abcd38 | 39 | #include "em28xx.h" |
c0477ad9 | 40 | #include <media/v4l2-common.h> |
35ea11ff | 41 | #include <media/v4l2-ioctl.h> |
14983d81 | 42 | #include <media/v4l2-chip-ident.h> |
2474ed44 | 43 | #include <media/msp3400.h> |
ed086314 | 44 | #include <media/tuner.h> |
a6c2ba28 | 45 | |
f7abcd38 MCC |
46 | #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \ |
47 | "Markus Rechberger <mrechberger@gmail.com>, " \ | |
2e7c6dc3 | 48 | "Mauro Carvalho Chehab <mchehab@infradead.org>, " \ |
f7abcd38 | 49 | "Sascha Sommer <saschasommer@freenet.de>" |
a6c2ba28 | 50 | |
f7abcd38 | 51 | #define DRIVER_DESC "Empia em28xx based USB video device driver" |
f2cf250a | 52 | #define EM28XX_VERSION_CODE KERNEL_VERSION(0, 1, 2) |
a6c2ba28 | 53 | |
3acf2809 | 54 | #define em28xx_videodbg(fmt, arg...) do {\ |
4ac97914 MCC |
55 | if (video_debug) \ |
56 | printk(KERN_INFO "%s %s :"fmt, \ | |
d80e134d | 57 | dev->name, __func__ , ##arg); } while (0) |
a6c2ba28 | 58 | |
ad0ebb96 | 59 | static unsigned int isoc_debug; |
f245e549 MCC |
60 | module_param(isoc_debug, int, 0644); |
61 | MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]"); | |
ad0ebb96 | 62 | |
6ea54d93 DSL |
63 | #define em28xx_isocdbg(fmt, arg...) \ |
64 | do {\ | |
65 | if (isoc_debug) { \ | |
ad0ebb96 | 66 | printk(KERN_INFO "%s %s :"fmt, \ |
6ea54d93 DSL |
67 | dev->name, __func__ , ##arg); \ |
68 | } \ | |
69 | } while (0) | |
ad0ebb96 | 70 | |
a6c2ba28 | 71 | MODULE_AUTHOR(DRIVER_AUTHOR); |
72 | MODULE_DESCRIPTION(DRIVER_DESC); | |
73 | MODULE_LICENSE("GPL"); | |
74 | ||
e5589bef | 75 | static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; |
0be43754 MCC |
76 | static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; |
77 | static unsigned int radio_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; | |
78 | ||
e5589bef MCC |
79 | module_param_array(video_nr, int, NULL, 0444); |
80 | module_param_array(vbi_nr, int, NULL, 0444); | |
0be43754 | 81 | module_param_array(radio_nr, int, NULL, 0444); |
0be43754 MCC |
82 | MODULE_PARM_DESC(video_nr, "video device numbers"); |
83 | MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); | |
84 | MODULE_PARM_DESC(radio_nr, "radio device numbers"); | |
596d92d5 | 85 | |
ff699e6b | 86 | static unsigned int video_debug; |
6ea54d93 DSL |
87 | module_param(video_debug, int, 0644); |
88 | MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); | |
a6c2ba28 | 89 | |
bddcf633 MCC |
90 | /* supported video standards */ |
91 | static struct em28xx_fmt format[] = { | |
92 | { | |
93 | .name = "16bpp YUY2, 4:2:2, packed", | |
94 | .fourcc = V4L2_PIX_FMT_YUYV, | |
95 | .depth = 16, | |
3fbf9309 | 96 | .reg = EM28XX_OUTFMT_YUV422_Y0UY1V, |
43cb9fe3 MCC |
97 | }, { |
98 | .name = "16 bpp RGB, le", | |
99 | .fourcc = V4L2_PIX_FMT_RGB565, | |
100 | .depth = 16, | |
101 | .reg = EM28XX_OUTFMT_YUV211, | |
bddcf633 MCC |
102 | }, |
103 | }; | |
104 | ||
a6c2ba28 | 105 | /* supported controls */ |
c0477ad9 | 106 | /* Common to all boards */ |
3acf2809 | 107 | static struct v4l2_queryctrl em28xx_qctrl[] = { |
c0477ad9 MCC |
108 | { |
109 | .id = V4L2_CID_AUDIO_VOLUME, | |
110 | .type = V4L2_CTRL_TYPE_INTEGER, | |
111 | .name = "Volume", | |
112 | .minimum = 0x0, | |
113 | .maximum = 0x1f, | |
114 | .step = 0x1, | |
115 | .default_value = 0x1f, | |
116 | .flags = 0, | |
6ea54d93 | 117 | }, { |
c0477ad9 MCC |
118 | .id = V4L2_CID_AUDIO_MUTE, |
119 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
120 | .name = "Mute", | |
121 | .minimum = 0, | |
122 | .maximum = 1, | |
123 | .step = 1, | |
124 | .default_value = 1, | |
125 | .flags = 0, | |
126 | } | |
127 | }; | |
128 | ||
ad0ebb96 MCC |
129 | /* ------------------------------------------------------------------ |
130 | DMA and thread functions | |
131 | ------------------------------------------------------------------*/ | |
132 | ||
133 | /* | |
134 | * Announces that a buffer were filled and request the next | |
135 | */ | |
f245e549 | 136 | static inline void buffer_filled(struct em28xx *dev, |
ad0ebb96 MCC |
137 | struct em28xx_dmaqueue *dma_q, |
138 | struct em28xx_buffer *buf) | |
139 | { | |
ad0ebb96 MCC |
140 | /* Advice that buffer was filled */ |
141 | em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); | |
142 | buf->vb.state = VIDEOBUF_DONE; | |
143 | buf->vb.field_count++; | |
144 | do_gettimeofday(&buf->vb.ts); | |
145 | ||
cb784724 MCC |
146 | dev->isoc_ctl.buf = NULL; |
147 | ||
ad0ebb96 MCC |
148 | list_del(&buf->vb.queue); |
149 | wake_up(&buf->vb.done); | |
150 | } | |
151 | ||
152 | /* | |
153 | * Identify the buffer header type and properly handles | |
154 | */ | |
155 | static void em28xx_copy_video(struct em28xx *dev, | |
156 | struct em28xx_dmaqueue *dma_q, | |
157 | struct em28xx_buffer *buf, | |
158 | unsigned char *p, | |
159 | unsigned char *outp, unsigned long len) | |
160 | { | |
161 | void *fieldstart, *startwrite, *startread; | |
f245e549 | 162 | int linesdone, currlinedone, offset, lencopy, remain; |
44dc733c | 163 | int bytesperline = dev->width << 1; |
ad0ebb96 MCC |
164 | |
165 | if (dma_q->pos + len > buf->vb.size) | |
166 | len = buf->vb.size - dma_q->pos; | |
167 | ||
d7aa8020 | 168 | if (p[0] != 0x88 && p[0] != 0x22) { |
ad0ebb96 MCC |
169 | em28xx_isocdbg("frame is not complete\n"); |
170 | len += 4; | |
171 | } else | |
f245e549 | 172 | p += 4; |
ad0ebb96 MCC |
173 | |
174 | startread = p; | |
175 | remain = len; | |
176 | ||
177 | /* Interlaces frame */ | |
178 | if (buf->top_field) | |
179 | fieldstart = outp; | |
180 | else | |
44dc733c | 181 | fieldstart = outp + bytesperline; |
ad0ebb96 | 182 | |
44dc733c MCC |
183 | linesdone = dma_q->pos / bytesperline; |
184 | currlinedone = dma_q->pos % bytesperline; | |
185 | offset = linesdone * bytesperline * 2 + currlinedone; | |
ad0ebb96 | 186 | startwrite = fieldstart + offset; |
44dc733c | 187 | lencopy = bytesperline - currlinedone; |
ad0ebb96 MCC |
188 | lencopy = lencopy > remain ? remain : lencopy; |
189 | ||
f245e549 | 190 | if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { |
ea8df7e0 | 191 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (1)\n", |
f245e549 MCC |
192 | ((char *)startwrite + lencopy) - |
193 | ((char *)outp + buf->vb.size)); | |
a1a6ee74 NS |
194 | remain = (char *)outp + buf->vb.size - (char *)startwrite; |
195 | lencopy = remain; | |
d7aa8020 | 196 | } |
e0fadfd3 AT |
197 | if (lencopy <= 0) |
198 | return; | |
d7aa8020 | 199 | memcpy(startwrite, startread, lencopy); |
ad0ebb96 MCC |
200 | |
201 | remain -= lencopy; | |
202 | ||
203 | while (remain > 0) { | |
44dc733c | 204 | startwrite += lencopy + bytesperline; |
ad0ebb96 | 205 | startread += lencopy; |
44dc733c | 206 | if (bytesperline > remain) |
ad0ebb96 MCC |
207 | lencopy = remain; |
208 | else | |
44dc733c | 209 | lencopy = bytesperline; |
ad0ebb96 | 210 | |
a1a6ee74 NS |
211 | if ((char *)startwrite + lencopy > (char *)outp + |
212 | buf->vb.size) { | |
ea8df7e0 | 213 | em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n", |
f245e549 MCC |
214 | ((char *)startwrite + lencopy) - |
215 | ((char *)outp + buf->vb.size)); | |
216 | lencopy = remain = (char *)outp + buf->vb.size - | |
217 | (char *)startwrite; | |
d7aa8020 | 218 | } |
f245e549 MCC |
219 | if (lencopy <= 0) |
220 | break; | |
d7aa8020 AT |
221 | |
222 | memcpy(startwrite, startread, lencopy); | |
ad0ebb96 MCC |
223 | |
224 | remain -= lencopy; | |
225 | } | |
226 | ||
227 | dma_q->pos += len; | |
228 | } | |
229 | ||
f245e549 | 230 | static inline void print_err_status(struct em28xx *dev, |
ad0ebb96 MCC |
231 | int packet, int status) |
232 | { | |
233 | char *errmsg = "Unknown"; | |
234 | ||
f245e549 | 235 | switch (status) { |
ad0ebb96 MCC |
236 | case -ENOENT: |
237 | errmsg = "unlinked synchronuously"; | |
238 | break; | |
239 | case -ECONNRESET: | |
240 | errmsg = "unlinked asynchronuously"; | |
241 | break; | |
242 | case -ENOSR: | |
243 | errmsg = "Buffer error (overrun)"; | |
244 | break; | |
245 | case -EPIPE: | |
246 | errmsg = "Stalled (device not responding)"; | |
247 | break; | |
248 | case -EOVERFLOW: | |
249 | errmsg = "Babble (bad cable?)"; | |
250 | break; | |
251 | case -EPROTO: | |
252 | errmsg = "Bit-stuff error (bad cable?)"; | |
253 | break; | |
254 | case -EILSEQ: | |
255 | errmsg = "CRC/Timeout (could be anything)"; | |
256 | break; | |
257 | case -ETIME: | |
258 | errmsg = "Device does not respond"; | |
259 | break; | |
260 | } | |
f245e549 | 261 | if (packet < 0) { |
ad0ebb96 MCC |
262 | em28xx_isocdbg("URB status %d [%s].\n", status, errmsg); |
263 | } else { | |
264 | em28xx_isocdbg("URB packet %d, status %d [%s].\n", | |
265 | packet, status, errmsg); | |
266 | } | |
267 | } | |
268 | ||
269 | /* | |
270 | * video-buf generic routine to get the next available buffer | |
271 | */ | |
3b5fa928 | 272 | static inline void get_next_buf(struct em28xx_dmaqueue *dma_q, |
ad0ebb96 MCC |
273 | struct em28xx_buffer **buf) |
274 | { | |
275 | struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); | |
dbecb44c | 276 | char *outp; |
ad0ebb96 | 277 | |
dbecb44c MCC |
278 | if (list_empty(&dma_q->active)) { |
279 | em28xx_isocdbg("No active queue to serve\n"); | |
dbecb44c MCC |
280 | dev->isoc_ctl.buf = NULL; |
281 | *buf = NULL; | |
3b5fa928 | 282 | return; |
dbecb44c MCC |
283 | } |
284 | ||
dbecb44c MCC |
285 | /* Get the next buffer */ |
286 | *buf = list_entry(dma_q->active.next, struct em28xx_buffer, vb.queue); | |
287 | ||
dbecb44c MCC |
288 | /* Cleans up buffer - Usefull for testing for frame/URB loss */ |
289 | outp = videobuf_to_vmalloc(&(*buf)->vb); | |
290 | memset(outp, 0, (*buf)->vb.size); | |
cb784724 MCC |
291 | |
292 | dev->isoc_ctl.buf = *buf; | |
293 | ||
3b5fa928 | 294 | return; |
ad0ebb96 MCC |
295 | } |
296 | ||
297 | /* | |
298 | * Controls the isoc copy of each urb packet | |
299 | */ | |
579f72e4 | 300 | static inline int em28xx_isoc_copy(struct em28xx *dev, struct urb *urb) |
ad0ebb96 | 301 | { |
d7aa8020 | 302 | struct em28xx_buffer *buf; |
ad0ebb96 | 303 | struct em28xx_dmaqueue *dma_q = urb->context; |
3b5fa928 | 304 | unsigned char *outp = NULL; |
ad0ebb96 | 305 | int i, len = 0, rc = 1; |
d7aa8020 | 306 | unsigned char *p; |
ad0ebb96 MCC |
307 | |
308 | if (!dev) | |
309 | return 0; | |
310 | ||
311 | if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) | |
312 | return 0; | |
313 | ||
f245e549 MCC |
314 | if (urb->status < 0) { |
315 | print_err_status(dev, -1, urb->status); | |
ad0ebb96 MCC |
316 | if (urb->status == -ENOENT) |
317 | return 0; | |
318 | } | |
319 | ||
3b5fa928 AT |
320 | buf = dev->isoc_ctl.buf; |
321 | if (buf != NULL) | |
322 | outp = videobuf_to_vmalloc(&buf->vb); | |
d7aa8020 | 323 | |
ad0ebb96 MCC |
324 | for (i = 0; i < urb->number_of_packets; i++) { |
325 | int status = urb->iso_frame_desc[i].status; | |
326 | ||
f245e549 MCC |
327 | if (status < 0) { |
328 | print_err_status(dev, i, status); | |
ad0ebb96 MCC |
329 | if (urb->iso_frame_desc[i].status != -EPROTO) |
330 | continue; | |
331 | } | |
332 | ||
f245e549 | 333 | len = urb->iso_frame_desc[i].actual_length - 4; |
ad0ebb96 MCC |
334 | |
335 | if (urb->iso_frame_desc[i].actual_length <= 0) { | |
d7aa8020 | 336 | /* em28xx_isocdbg("packet %d is empty",i); - spammy */ |
ad0ebb96 MCC |
337 | continue; |
338 | } | |
339 | if (urb->iso_frame_desc[i].actual_length > | |
340 | dev->max_pkt_size) { | |
341 | em28xx_isocdbg("packet bigger than packet size"); | |
342 | continue; | |
343 | } | |
344 | ||
345 | p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; | |
ad0ebb96 MCC |
346 | |
347 | /* FIXME: incomplete buffer checks where removed to make | |
348 | logic simpler. Impacts of those changes should be evaluated | |
349 | */ | |
b4916f8c MCC |
350 | if (p[0] == 0x33 && p[1] == 0x95 && p[2] == 0x00) { |
351 | em28xx_isocdbg("VBI HEADER!!!\n"); | |
352 | /* FIXME: Should add vbi copy */ | |
353 | continue; | |
354 | } | |
d7aa8020 | 355 | if (p[0] == 0x22 && p[1] == 0x5a) { |
78bb3949 | 356 | em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2], |
a1a6ee74 | 357 | len, (p[2] & 1) ? "odd" : "even"); |
d7aa8020 | 358 | |
3b5fa928 AT |
359 | if (!(p[2] & 1)) { |
360 | if (buf != NULL) | |
361 | buffer_filled(dev, dma_q, buf); | |
362 | get_next_buf(dma_q, &buf); | |
363 | if (buf == NULL) | |
364 | outp = NULL; | |
365 | else | |
366 | outp = videobuf_to_vmalloc(&buf->vb); | |
367 | } | |
368 | ||
369 | if (buf != NULL) { | |
370 | if (p[2] & 1) | |
371 | buf->top_field = 0; | |
372 | else | |
373 | buf->top_field = 1; | |
e0fadfd3 | 374 | } |
b4916f8c | 375 | |
ad0ebb96 | 376 | dma_q->pos = 0; |
ad0ebb96 | 377 | } |
3b5fa928 AT |
378 | if (buf != NULL) |
379 | em28xx_copy_video(dev, dma_q, buf, p, outp, len); | |
ad0ebb96 MCC |
380 | } |
381 | return rc; | |
382 | } | |
383 | ||
ad0ebb96 MCC |
384 | /* ------------------------------------------------------------------ |
385 | Videobuf operations | |
386 | ------------------------------------------------------------------*/ | |
387 | ||
388 | static int | |
389 | buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) | |
390 | { | |
391 | struct em28xx_fh *fh = vq->priv_data; | |
d2d9fbfd MCC |
392 | struct em28xx *dev = fh->dev; |
393 | struct v4l2_frequency f; | |
ad0ebb96 | 394 | |
bddcf633 MCC |
395 | *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
396 | ||
ad0ebb96 MCC |
397 | if (0 == *count) |
398 | *count = EM28XX_DEF_BUF; | |
399 | ||
f245e549 MCC |
400 | if (*count < EM28XX_MIN_BUF) |
401 | *count = EM28XX_MIN_BUF; | |
ad0ebb96 | 402 | |
381aaba9 | 403 | /* Ask tuner to go to analog or radio mode */ |
6ea54d93 | 404 | memset(&f, 0, sizeof(f)); |
d2d9fbfd | 405 | f.frequency = dev->ctl_freq; |
381aaba9 | 406 | f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
d2d9fbfd | 407 | |
f2cf250a | 408 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f); |
d2d9fbfd | 409 | |
ad0ebb96 MCC |
410 | return 0; |
411 | } | |
412 | ||
3b5fa928 | 413 | /* This is called *without* dev->slock held; please keep it that way */ |
ad0ebb96 MCC |
414 | static void free_buffer(struct videobuf_queue *vq, struct em28xx_buffer *buf) |
415 | { | |
3b5fa928 AT |
416 | struct em28xx_fh *fh = vq->priv_data; |
417 | struct em28xx *dev = fh->dev; | |
418 | unsigned long flags = 0; | |
ad0ebb96 MCC |
419 | if (in_interrupt()) |
420 | BUG(); | |
421 | ||
3b5fa928 AT |
422 | /* We used to wait for the buffer to finish here, but this didn't work |
423 | because, as we were keeping the state as VIDEOBUF_QUEUED, | |
424 | videobuf_queue_cancel marked it as finished for us. | |
425 | (Also, it could wedge forever if the hardware was misconfigured.) | |
426 | ||
427 | This should be safe; by the time we get here, the buffer isn't | |
428 | queued anymore. If we ever start marking the buffers as | |
429 | VIDEOBUF_ACTIVE, it won't be, though. | |
430 | */ | |
431 | spin_lock_irqsave(&dev->slock, flags); | |
432 | if (dev->isoc_ctl.buf == buf) | |
433 | dev->isoc_ctl.buf = NULL; | |
434 | spin_unlock_irqrestore(&dev->slock, flags); | |
435 | ||
ad0ebb96 MCC |
436 | videobuf_vmalloc_free(&buf->vb); |
437 | buf->vb.state = VIDEOBUF_NEEDS_INIT; | |
438 | } | |
439 | ||
440 | static int | |
441 | buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, | |
442 | enum v4l2_field field) | |
443 | { | |
444 | struct em28xx_fh *fh = vq->priv_data; | |
f245e549 | 445 | struct em28xx_buffer *buf = container_of(vb, struct em28xx_buffer, vb); |
ad0ebb96 MCC |
446 | struct em28xx *dev = fh->dev; |
447 | int rc = 0, urb_init = 0; | |
ad0ebb96 | 448 | |
bddcf633 | 449 | buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3; |
ad0ebb96 MCC |
450 | |
451 | if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) | |
452 | return -EINVAL; | |
453 | ||
05612975 BP |
454 | buf->vb.width = dev->width; |
455 | buf->vb.height = dev->height; | |
456 | buf->vb.field = field; | |
ad0ebb96 MCC |
457 | |
458 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { | |
d7aa8020 AT |
459 | rc = videobuf_iolock(vq, &buf->vb, NULL); |
460 | if (rc < 0) | |
ad0ebb96 | 461 | goto fail; |
ad0ebb96 MCC |
462 | } |
463 | ||
ad0ebb96 | 464 | if (!dev->isoc_ctl.num_bufs) |
f245e549 | 465 | urb_init = 1; |
ad0ebb96 MCC |
466 | |
467 | if (urb_init) { | |
579f72e4 AT |
468 | rc = em28xx_init_isoc(dev, EM28XX_NUM_PACKETS, |
469 | EM28XX_NUM_BUFS, dev->max_pkt_size, | |
c67ec53f | 470 | em28xx_isoc_copy); |
f245e549 | 471 | if (rc < 0) |
ad0ebb96 MCC |
472 | goto fail; |
473 | } | |
474 | ||
475 | buf->vb.state = VIDEOBUF_PREPARED; | |
476 | return 0; | |
477 | ||
478 | fail: | |
f245e549 | 479 | free_buffer(vq, buf); |
ad0ebb96 MCC |
480 | return rc; |
481 | } | |
482 | ||
483 | static void | |
484 | buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) | |
485 | { | |
a1a6ee74 NS |
486 | struct em28xx_buffer *buf = container_of(vb, |
487 | struct em28xx_buffer, | |
488 | vb); | |
ad0ebb96 | 489 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 490 | struct em28xx *dev = fh->dev; |
ad0ebb96 | 491 | struct em28xx_dmaqueue *vidq = &dev->vidq; |
ad0ebb96 | 492 | |
d7aa8020 AT |
493 | buf->vb.state = VIDEOBUF_QUEUED; |
494 | list_add_tail(&buf->vb.queue, &vidq->active); | |
495 | ||
ad0ebb96 MCC |
496 | } |
497 | ||
6ea54d93 DSL |
498 | static void buffer_release(struct videobuf_queue *vq, |
499 | struct videobuf_buffer *vb) | |
ad0ebb96 | 500 | { |
a1a6ee74 NS |
501 | struct em28xx_buffer *buf = container_of(vb, |
502 | struct em28xx_buffer, | |
503 | vb); | |
ad0ebb96 | 504 | struct em28xx_fh *fh = vq->priv_data; |
f245e549 | 505 | struct em28xx *dev = (struct em28xx *)fh->dev; |
ad0ebb96 | 506 | |
d7aa8020 | 507 | em28xx_isocdbg("em28xx: called buffer_release\n"); |
ad0ebb96 | 508 | |
f245e549 | 509 | free_buffer(vq, buf); |
ad0ebb96 MCC |
510 | } |
511 | ||
512 | static struct videobuf_queue_ops em28xx_video_qops = { | |
513 | .buf_setup = buffer_setup, | |
514 | .buf_prepare = buffer_prepare, | |
515 | .buf_queue = buffer_queue, | |
516 | .buf_release = buffer_release, | |
517 | }; | |
a6c2ba28 | 518 | |
6ea54d93 | 519 | /********************* v4l2 interface **************************************/ |
a6c2ba28 | 520 | |
eac94356 MCC |
521 | static void video_mux(struct em28xx *dev, int index) |
522 | { | |
eac94356 MCC |
523 | dev->ctl_input = index; |
524 | dev->ctl_ainput = INPUT(index)->amux; | |
35ae6f04 | 525 | dev->ctl_aoutput = INPUT(index)->aout; |
eac94356 | 526 | |
e879b8eb MCC |
527 | if (!dev->ctl_aoutput) |
528 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
529 | ||
5325b427 HV |
530 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, |
531 | INPUT(index)->vmux, 0, 0); | |
eac94356 | 532 | |
505b6d0b | 533 | if (dev->board.has_msp34xx) { |
6ea54d93 | 534 | if (dev->i2s_speed) { |
f2cf250a DSL |
535 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, |
536 | s_i2s_clock_freq, dev->i2s_speed); | |
6ea54d93 | 537 | } |
2474ed44 | 538 | /* Note: this is msp3400 specific */ |
5325b427 HV |
539 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
540 | dev->ctl_ainput, MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0); | |
eac94356 | 541 | } |
539c96d0 | 542 | |
2bd1d9eb | 543 | if (dev->board.adecoder != EM28XX_NOADECODER) { |
5325b427 HV |
544 | v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing, |
545 | dev->ctl_ainput, dev->ctl_aoutput, 0); | |
2bd1d9eb VW |
546 | } |
547 | ||
00b8730f | 548 | em28xx_audio_analog_set(dev); |
eac94356 MCC |
549 | } |
550 | ||
a225452e MCC |
551 | /* Usage lock check functions */ |
552 | static int res_get(struct em28xx_fh *fh) | |
553 | { | |
554 | struct em28xx *dev = fh->dev; | |
555 | int rc = 0; | |
556 | ||
557 | /* This instance already has stream_on */ | |
558 | if (fh->stream_on) | |
559 | return rc; | |
560 | ||
a225452e | 561 | if (dev->stream_on) |
29b59417 | 562 | return -EBUSY; |
a225452e | 563 | |
e74153d4 MCC |
564 | dev->stream_on = 1; |
565 | fh->stream_on = 1; | |
a225452e MCC |
566 | return rc; |
567 | } | |
568 | ||
569 | static int res_check(struct em28xx_fh *fh) | |
570 | { | |
a1a6ee74 | 571 | return fh->stream_on; |
a225452e MCC |
572 | } |
573 | ||
574 | static void res_free(struct em28xx_fh *fh) | |
575 | { | |
576 | struct em28xx *dev = fh->dev; | |
577 | ||
a225452e MCC |
578 | fh->stream_on = 0; |
579 | dev->stream_on = 0; | |
a225452e MCC |
580 | } |
581 | ||
195a4ef6 MCC |
582 | /* |
583 | * em28xx_get_ctrl() | |
584 | * return the current saturation, brightness or contrast, mute state | |
585 | */ | |
586 | static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) | |
587 | { | |
588 | switch (ctrl->id) { | |
589 | case V4L2_CID_AUDIO_MUTE: | |
590 | ctrl->value = dev->mute; | |
591 | return 0; | |
592 | case V4L2_CID_AUDIO_VOLUME: | |
593 | ctrl->value = dev->volume; | |
594 | return 0; | |
595 | default: | |
596 | return -EINVAL; | |
a6c2ba28 | 597 | } |
195a4ef6 | 598 | } |
a6c2ba28 | 599 | |
195a4ef6 MCC |
600 | /* |
601 | * em28xx_set_ctrl() | |
602 | * mute or set new saturation, brightness or contrast | |
603 | */ | |
604 | static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) | |
605 | { | |
606 | switch (ctrl->id) { | |
607 | case V4L2_CID_AUDIO_MUTE: | |
608 | if (ctrl->value != dev->mute) { | |
609 | dev->mute = ctrl->value; | |
195a4ef6 MCC |
610 | return em28xx_audio_analog_set(dev); |
611 | } | |
612 | return 0; | |
613 | case V4L2_CID_AUDIO_VOLUME: | |
614 | dev->volume = ctrl->value; | |
615 | return em28xx_audio_analog_set(dev); | |
616 | default: | |
617 | return -EINVAL; | |
618 | } | |
619 | } | |
a6c2ba28 | 620 | |
195a4ef6 MCC |
621 | static int check_dev(struct em28xx *dev) |
622 | { | |
623 | if (dev->state & DEV_DISCONNECTED) { | |
624 | em28xx_errdev("v4l2 ioctl: device not present\n"); | |
625 | return -ENODEV; | |
e5589bef | 626 | } |
a6c2ba28 | 627 | |
195a4ef6 MCC |
628 | if (dev->state & DEV_MISCONFIGURED) { |
629 | em28xx_errdev("v4l2 ioctl: device is misconfigured; " | |
630 | "close and open it again\n"); | |
631 | return -EIO; | |
632 | } | |
633 | return 0; | |
634 | } | |
a6c2ba28 | 635 | |
195a4ef6 MCC |
636 | static void get_scale(struct em28xx *dev, |
637 | unsigned int width, unsigned int height, | |
638 | unsigned int *hscale, unsigned int *vscale) | |
639 | { | |
640 | unsigned int maxw = norm_maxw(dev); | |
641 | unsigned int maxh = norm_maxh(dev); | |
642 | ||
643 | *hscale = (((unsigned long)maxw) << 12) / width - 4096L; | |
644 | if (*hscale >= 0x4000) | |
645 | *hscale = 0x3fff; | |
646 | ||
647 | *vscale = (((unsigned long)maxh) << 12) / height - 4096L; | |
648 | if (*vscale >= 0x4000) | |
649 | *vscale = 0x3fff; | |
a6c2ba28 | 650 | } |
651 | ||
195a4ef6 MCC |
652 | /* ------------------------------------------------------------------ |
653 | IOCTL vidioc handling | |
654 | ------------------------------------------------------------------*/ | |
655 | ||
78b526a4 | 656 | static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 657 | struct v4l2_format *f) |
a6c2ba28 | 658 | { |
195a4ef6 MCC |
659 | struct em28xx_fh *fh = priv; |
660 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 661 | |
195a4ef6 | 662 | mutex_lock(&dev->lock); |
e5589bef | 663 | |
195a4ef6 MCC |
664 | f->fmt.pix.width = dev->width; |
665 | f->fmt.pix.height = dev->height; | |
bddcf633 MCC |
666 | f->fmt.pix.pixelformat = dev->format->fourcc; |
667 | f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3; | |
44dc733c | 668 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height; |
195a4ef6 | 669 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
e5589bef | 670 | |
195a4ef6 MCC |
671 | /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ |
672 | f->fmt.pix.field = dev->interlaced ? | |
673 | V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; | |
e5589bef | 674 | |
195a4ef6 MCC |
675 | mutex_unlock(&dev->lock); |
676 | return 0; | |
a6c2ba28 | 677 | } |
678 | ||
bddcf633 MCC |
679 | static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc) |
680 | { | |
681 | unsigned int i; | |
682 | ||
683 | for (i = 0; i < ARRAY_SIZE(format); i++) | |
684 | if (format[i].fourcc == fourcc) | |
685 | return &format[i]; | |
686 | ||
687 | return NULL; | |
688 | } | |
689 | ||
78b526a4 | 690 | static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 691 | struct v4l2_format *f) |
a6c2ba28 | 692 | { |
195a4ef6 MCC |
693 | struct em28xx_fh *fh = priv; |
694 | struct em28xx *dev = fh->dev; | |
ccb83408 TP |
695 | unsigned int width = f->fmt.pix.width; |
696 | unsigned int height = f->fmt.pix.height; | |
195a4ef6 MCC |
697 | unsigned int maxw = norm_maxw(dev); |
698 | unsigned int maxh = norm_maxh(dev); | |
699 | unsigned int hscale, vscale; | |
bddcf633 MCC |
700 | struct em28xx_fmt *fmt; |
701 | ||
43cb9fe3 MCC |
702 | /* FIXME: This is the only supported fmt */ |
703 | if (dev->board.is_27xx) | |
704 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB565; | |
705 | ||
bddcf633 MCC |
706 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
707 | if (!fmt) { | |
708 | em28xx_videodbg("Fourcc format (%08x) invalid.\n", | |
709 | f->fmt.pix.pixelformat); | |
710 | return -EINVAL; | |
711 | } | |
195a4ef6 | 712 | |
43cb9fe3 MCC |
713 | if (dev->board.is_27xx) { |
714 | /* FIXME: This is the only supported fmt */ | |
715 | width = 640; | |
716 | height = 480; | |
717 | } else if (dev->board.is_em2800) { | |
195a4ef6 | 718 | /* the em2800 can only scale down to 50% */ |
ccb83408 TP |
719 | height = height > (3 * maxh / 4) ? maxh : maxh / 2; |
720 | width = width > (3 * maxw / 4) ? maxw : maxw / 2; | |
721 | /* According to empiatech support the MaxPacketSize is too small | |
722 | * to support framesizes larger than 640x480 @ 30 fps or 640x576 | |
723 | * @ 25 fps. As this would cut of a part of the image we prefer | |
724 | * 360x576 or 360x480 for now */ | |
195a4ef6 MCC |
725 | if (width == maxw && height == maxh) |
726 | width /= 2; | |
ccb83408 TP |
727 | } else { |
728 | /* width must even because of the YUYV format | |
729 | height must be even because of interlacing */ | |
730 | v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0); | |
195a4ef6 | 731 | } |
a225452e | 732 | |
195a4ef6 | 733 | get_scale(dev, width, height, &hscale, &vscale); |
a6c2ba28 | 734 | |
195a4ef6 MCC |
735 | width = (((unsigned long)maxw) << 12) / (hscale + 4096L); |
736 | height = (((unsigned long)maxh) << 12) / (vscale + 4096L); | |
a6c2ba28 | 737 | |
195a4ef6 MCC |
738 | f->fmt.pix.width = width; |
739 | f->fmt.pix.height = height; | |
bddcf633 MCC |
740 | f->fmt.pix.pixelformat = fmt->fourcc; |
741 | f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3; | |
742 | f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height; | |
195a4ef6 MCC |
743 | f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; |
744 | f->fmt.pix.field = V4L2_FIELD_INTERLACED; | |
a6c2ba28 | 745 | |
a6c2ba28 | 746 | return 0; |
747 | } | |
748 | ||
ed5f1431 MCC |
749 | static int em28xx_set_video_format(struct em28xx *dev, unsigned int fourcc, |
750 | unsigned width, unsigned height) | |
751 | { | |
752 | struct em28xx_fmt *fmt; | |
753 | ||
754 | /* FIXME: This is the only supported fmt */ | |
755 | if (dev->board.is_27xx) { | |
756 | fourcc = V4L2_PIX_FMT_RGB565; | |
757 | width = 640; | |
758 | height = 480; | |
759 | } | |
760 | ||
761 | fmt = format_by_fourcc(fourcc); | |
762 | if (!fmt) | |
763 | return -EINVAL; | |
764 | ||
765 | dev->format = fmt; | |
766 | dev->width = width; | |
767 | dev->height = height; | |
768 | ||
769 | /* set new image size */ | |
770 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); | |
771 | ||
772 | em28xx_set_alternate(dev); | |
773 | em28xx_resolution_set(dev); | |
774 | ||
775 | return 0; | |
776 | } | |
777 | ||
78b526a4 | 778 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
195a4ef6 | 779 | struct v4l2_format *f) |
a6c2ba28 | 780 | { |
195a4ef6 MCC |
781 | struct em28xx_fh *fh = priv; |
782 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 783 | int rc; |
a6c2ba28 | 784 | |
195a4ef6 MCC |
785 | rc = check_dev(dev); |
786 | if (rc < 0) | |
787 | return rc; | |
a225452e | 788 | |
5a80415b SS |
789 | mutex_lock(&dev->lock); |
790 | ||
efc52a94 MCC |
791 | vidioc_try_fmt_vid_cap(file, priv, f); |
792 | ||
05612975 BP |
793 | if (videobuf_queue_is_busy(&fh->vb_vidq)) { |
794 | em28xx_errdev("%s queue busy\n", __func__); | |
795 | rc = -EBUSY; | |
796 | goto out; | |
797 | } | |
798 | ||
0ea13e6e AT |
799 | if (dev->stream_on && !fh->stream_on) { |
800 | em28xx_errdev("%s device in use by another fh\n", __func__); | |
801 | rc = -EBUSY; | |
802 | goto out; | |
803 | } | |
804 | ||
ed5f1431 MCC |
805 | rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat, |
806 | f->fmt.pix.width, f->fmt.pix.height); | |
05612975 BP |
807 | |
808 | out: | |
195a4ef6 | 809 | mutex_unlock(&dev->lock); |
05612975 | 810 | return rc; |
195a4ef6 MCC |
811 | } |
812 | ||
a1a6ee74 | 813 | static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) |
195a4ef6 MCC |
814 | { |
815 | struct em28xx_fh *fh = priv; | |
816 | struct em28xx *dev = fh->dev; | |
817 | struct v4l2_format f; | |
195a4ef6 MCC |
818 | int rc; |
819 | ||
820 | rc = check_dev(dev); | |
821 | if (rc < 0) | |
822 | return rc; | |
823 | ||
195a4ef6 | 824 | mutex_lock(&dev->lock); |
7d497f8a | 825 | dev->norm = *norm; |
a6c2ba28 | 826 | |
195a4ef6 MCC |
827 | /* Adjusts width/height, if needed */ |
828 | f.fmt.pix.width = dev->width; | |
829 | f.fmt.pix.height = dev->height; | |
78b526a4 | 830 | vidioc_try_fmt_vid_cap(file, priv, &f); |
a6c2ba28 | 831 | |
195a4ef6 MCC |
832 | /* set new image size */ |
833 | dev->width = f.fmt.pix.width; | |
834 | dev->height = f.fmt.pix.height; | |
195a4ef6 | 835 | get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale); |
a6c2ba28 | 836 | |
195a4ef6 | 837 | em28xx_resolution_set(dev); |
f41737ec | 838 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); |
a6c2ba28 | 839 | |
195a4ef6 MCC |
840 | mutex_unlock(&dev->lock); |
841 | return 0; | |
842 | } | |
9e31ced8 | 843 | |
195a4ef6 MCC |
844 | static const char *iname[] = { |
845 | [EM28XX_VMUX_COMPOSITE1] = "Composite1", | |
846 | [EM28XX_VMUX_COMPOSITE2] = "Composite2", | |
847 | [EM28XX_VMUX_COMPOSITE3] = "Composite3", | |
848 | [EM28XX_VMUX_COMPOSITE4] = "Composite4", | |
849 | [EM28XX_VMUX_SVIDEO] = "S-Video", | |
850 | [EM28XX_VMUX_TELEVISION] = "Television", | |
851 | [EM28XX_VMUX_CABLE] = "Cable TV", | |
852 | [EM28XX_VMUX_DVB] = "DVB", | |
853 | [EM28XX_VMUX_DEBUG] = "for debug only", | |
854 | }; | |
9e31ced8 | 855 | |
195a4ef6 MCC |
856 | static int vidioc_enum_input(struct file *file, void *priv, |
857 | struct v4l2_input *i) | |
858 | { | |
859 | struct em28xx_fh *fh = priv; | |
860 | struct em28xx *dev = fh->dev; | |
861 | unsigned int n; | |
9e31ced8 | 862 | |
195a4ef6 MCC |
863 | n = i->index; |
864 | if (n >= MAX_EM28XX_INPUT) | |
865 | return -EINVAL; | |
866 | if (0 == INPUT(n)->type) | |
867 | return -EINVAL; | |
9e31ced8 | 868 | |
195a4ef6 MCC |
869 | i->index = n; |
870 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
a6c2ba28 | 871 | |
195a4ef6 | 872 | strcpy(i->name, iname[INPUT(n)->type]); |
a6c2ba28 | 873 | |
195a4ef6 MCC |
874 | if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || |
875 | (EM28XX_VMUX_CABLE == INPUT(n)->type)) | |
876 | i->type = V4L2_INPUT_TYPE_TUNER; | |
877 | ||
7d497f8a | 878 | i->std = dev->vdev->tvnorms; |
195a4ef6 MCC |
879 | |
880 | return 0; | |
a6c2ba28 | 881 | } |
882 | ||
195a4ef6 | 883 | static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) |
a6c2ba28 | 884 | { |
195a4ef6 MCC |
885 | struct em28xx_fh *fh = priv; |
886 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 887 | |
195a4ef6 MCC |
888 | *i = dev->ctl_input; |
889 | ||
890 | return 0; | |
891 | } | |
892 | ||
893 | static int vidioc_s_input(struct file *file, void *priv, unsigned int i) | |
894 | { | |
895 | struct em28xx_fh *fh = priv; | |
896 | struct em28xx *dev = fh->dev; | |
897 | int rc; | |
898 | ||
899 | rc = check_dev(dev); | |
900 | if (rc < 0) | |
901 | return rc; | |
902 | ||
903 | if (i >= MAX_EM28XX_INPUT) | |
904 | return -EINVAL; | |
905 | if (0 == INPUT(i)->type) | |
906 | return -EINVAL; | |
a225452e | 907 | |
24c3c415 | 908 | dev->ctl_input = i; |
195a4ef6 | 909 | |
24c3c415 MCC |
910 | mutex_lock(&dev->lock); |
911 | video_mux(dev, dev->ctl_input); | |
195a4ef6 MCC |
912 | mutex_unlock(&dev->lock); |
913 | return 0; | |
914 | } | |
915 | ||
916 | static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
917 | { | |
918 | struct em28xx_fh *fh = priv; | |
919 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 920 | |
35ae6f04 MCC |
921 | switch (a->index) { |
922 | case EM28XX_AMUX_VIDEO: | |
195a4ef6 | 923 | strcpy(a->name, "Television"); |
35ae6f04 MCC |
924 | break; |
925 | case EM28XX_AMUX_LINE_IN: | |
195a4ef6 | 926 | strcpy(a->name, "Line In"); |
35ae6f04 MCC |
927 | break; |
928 | case EM28XX_AMUX_VIDEO2: | |
929 | strcpy(a->name, "Television alt"); | |
930 | break; | |
931 | case EM28XX_AMUX_PHONE: | |
932 | strcpy(a->name, "Phone"); | |
933 | break; | |
934 | case EM28XX_AMUX_MIC: | |
935 | strcpy(a->name, "Mic"); | |
936 | break; | |
937 | case EM28XX_AMUX_CD: | |
938 | strcpy(a->name, "CD"); | |
939 | break; | |
940 | case EM28XX_AMUX_AUX: | |
941 | strcpy(a->name, "Aux"); | |
942 | break; | |
943 | case EM28XX_AMUX_PCM_OUT: | |
944 | strcpy(a->name, "PCM"); | |
945 | break; | |
946 | default: | |
947 | return -EINVAL; | |
948 | } | |
6ea54d93 | 949 | |
35ae6f04 | 950 | a->index = dev->ctl_ainput; |
195a4ef6 | 951 | a->capability = V4L2_AUDCAP_STEREO; |
195a4ef6 MCC |
952 | |
953 | return 0; | |
954 | } | |
955 | ||
956 | static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
957 | { | |
958 | struct em28xx_fh *fh = priv; | |
959 | struct em28xx *dev = fh->dev; | |
960 | ||
24c3c415 MCC |
961 | |
962 | if (a->index >= MAX_EM28XX_INPUT) | |
963 | return -EINVAL; | |
964 | if (0 == INPUT(a->index)->type) | |
965 | return -EINVAL; | |
966 | ||
efc52a94 MCC |
967 | mutex_lock(&dev->lock); |
968 | ||
35ae6f04 MCC |
969 | dev->ctl_ainput = INPUT(a->index)->amux; |
970 | dev->ctl_aoutput = INPUT(a->index)->aout; | |
e879b8eb MCC |
971 | |
972 | if (!dev->ctl_aoutput) | |
973 | dev->ctl_aoutput = EM28XX_AOUT_MASTER; | |
efc52a94 MCC |
974 | |
975 | mutex_unlock(&dev->lock); | |
195a4ef6 MCC |
976 | return 0; |
977 | } | |
978 | ||
979 | static int vidioc_queryctrl(struct file *file, void *priv, | |
980 | struct v4l2_queryctrl *qc) | |
981 | { | |
982 | struct em28xx_fh *fh = priv; | |
983 | struct em28xx *dev = fh->dev; | |
984 | int id = qc->id; | |
985 | int i; | |
986 | int rc; | |
987 | ||
988 | rc = check_dev(dev); | |
989 | if (rc < 0) | |
990 | return rc; | |
991 | ||
992 | memset(qc, 0, sizeof(*qc)); | |
993 | ||
994 | qc->id = id; | |
995 | ||
505b6d0b | 996 | if (!dev->board.has_msp34xx) { |
195a4ef6 MCC |
997 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { |
998 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
999 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
1000 | return 0; | |
a6c2ba28 | 1001 | } |
1002 | } | |
195a4ef6 | 1003 | } |
f2cf250a | 1004 | |
195a4ef6 | 1005 | mutex_lock(&dev->lock); |
f2cf250a | 1006 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc); |
195a4ef6 | 1007 | mutex_unlock(&dev->lock); |
a6c2ba28 | 1008 | |
195a4ef6 MCC |
1009 | if (qc->type) |
1010 | return 0; | |
1011 | else | |
1012 | return -EINVAL; | |
1013 | } | |
a6c2ba28 | 1014 | |
195a4ef6 MCC |
1015 | static int vidioc_g_ctrl(struct file *file, void *priv, |
1016 | struct v4l2_control *ctrl) | |
1017 | { | |
1018 | struct em28xx_fh *fh = priv; | |
1019 | struct em28xx *dev = fh->dev; | |
1020 | int rc; | |
a6c2ba28 | 1021 | |
195a4ef6 MCC |
1022 | rc = check_dev(dev); |
1023 | if (rc < 0) | |
1024 | return rc; | |
b6070f07 | 1025 | rc = 0; |
efc52a94 | 1026 | |
195a4ef6 | 1027 | mutex_lock(&dev->lock); |
a6c2ba28 | 1028 | |
b6070f07 | 1029 | if (dev->board.has_msp34xx) |
f2cf250a | 1030 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
07f7db4c | 1031 | else { |
b6070f07 | 1032 | rc = em28xx_get_ctrl(dev, ctrl); |
07f7db4c | 1033 | if (rc < 0) { |
f2cf250a | 1034 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_ctrl, ctrl); |
07f7db4c HV |
1035 | rc = 0; |
1036 | } | |
1037 | } | |
195a4ef6 MCC |
1038 | |
1039 | mutex_unlock(&dev->lock); | |
1040 | return rc; | |
1041 | } | |
1042 | ||
1043 | static int vidioc_s_ctrl(struct file *file, void *priv, | |
1044 | struct v4l2_control *ctrl) | |
1045 | { | |
1046 | struct em28xx_fh *fh = priv; | |
1047 | struct em28xx *dev = fh->dev; | |
1048 | u8 i; | |
1049 | int rc; | |
1050 | ||
1051 | rc = check_dev(dev); | |
1052 | if (rc < 0) | |
1053 | return rc; | |
1054 | ||
1055 | mutex_lock(&dev->lock); | |
1056 | ||
505b6d0b | 1057 | if (dev->board.has_msp34xx) |
f2cf250a | 1058 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
195a4ef6 MCC |
1059 | else { |
1060 | rc = 1; | |
1061 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1062 | if (ctrl->id == em28xx_qctrl[i].id) { | |
1063 | if (ctrl->value < em28xx_qctrl[i].minimum || | |
1064 | ctrl->value > em28xx_qctrl[i].maximum) { | |
1065 | rc = -ERANGE; | |
1066 | break; | |
1067 | } | |
1068 | ||
1069 | rc = em28xx_set_ctrl(dev, ctrl); | |
1070 | break; | |
1071 | } | |
a6c2ba28 | 1072 | } |
1073 | } | |
1074 | ||
195a4ef6 MCC |
1075 | /* Control not found - try to send it to the attached devices */ |
1076 | if (rc == 1) { | |
f2cf250a | 1077 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); |
195a4ef6 MCC |
1078 | rc = 0; |
1079 | } | |
1080 | ||
5a80415b | 1081 | mutex_unlock(&dev->lock); |
195a4ef6 | 1082 | return rc; |
a6c2ba28 | 1083 | } |
1084 | ||
195a4ef6 MCC |
1085 | static int vidioc_g_tuner(struct file *file, void *priv, |
1086 | struct v4l2_tuner *t) | |
a6c2ba28 | 1087 | { |
195a4ef6 MCC |
1088 | struct em28xx_fh *fh = priv; |
1089 | struct em28xx *dev = fh->dev; | |
1090 | int rc; | |
1091 | ||
1092 | rc = check_dev(dev); | |
1093 | if (rc < 0) | |
1094 | return rc; | |
1095 | ||
1096 | if (0 != t->index) | |
1097 | return -EINVAL; | |
1098 | ||
1099 | strcpy(t->name, "Tuner"); | |
1100 | ||
1101 | mutex_lock(&dev->lock); | |
f2cf250a | 1102 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
195a4ef6 | 1103 | mutex_unlock(&dev->lock); |
f2cf250a | 1104 | |
195a4ef6 | 1105 | return 0; |
a6c2ba28 | 1106 | } |
1107 | ||
195a4ef6 MCC |
1108 | static int vidioc_s_tuner(struct file *file, void *priv, |
1109 | struct v4l2_tuner *t) | |
a6c2ba28 | 1110 | { |
195a4ef6 MCC |
1111 | struct em28xx_fh *fh = priv; |
1112 | struct em28xx *dev = fh->dev; | |
1113 | int rc; | |
63337dd3 | 1114 | |
195a4ef6 MCC |
1115 | rc = check_dev(dev); |
1116 | if (rc < 0) | |
1117 | return rc; | |
1118 | ||
1119 | if (0 != t->index) | |
1120 | return -EINVAL; | |
1121 | ||
1122 | mutex_lock(&dev->lock); | |
f2cf250a | 1123 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
195a4ef6 | 1124 | mutex_unlock(&dev->lock); |
f2cf250a | 1125 | |
195a4ef6 | 1126 | return 0; |
a6c2ba28 | 1127 | } |
1128 | ||
195a4ef6 MCC |
1129 | static int vidioc_g_frequency(struct file *file, void *priv, |
1130 | struct v4l2_frequency *f) | |
1131 | { | |
1132 | struct em28xx_fh *fh = priv; | |
1133 | struct em28xx *dev = fh->dev; | |
a6c2ba28 | 1134 | |
efc52a94 | 1135 | mutex_lock(&dev->lock); |
0be43754 | 1136 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
195a4ef6 | 1137 | f->frequency = dev->ctl_freq; |
efc52a94 | 1138 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1139 | |
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static int vidioc_s_frequency(struct file *file, void *priv, | |
1144 | struct v4l2_frequency *f) | |
a6c2ba28 | 1145 | { |
195a4ef6 MCC |
1146 | struct em28xx_fh *fh = priv; |
1147 | struct em28xx *dev = fh->dev; | |
1148 | int rc; | |
9c75541f | 1149 | |
195a4ef6 MCC |
1150 | rc = check_dev(dev); |
1151 | if (rc < 0) | |
1152 | return rc; | |
1153 | ||
1154 | if (0 != f->tuner) | |
1155 | return -EINVAL; | |
1156 | ||
0be43754 MCC |
1157 | if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) |
1158 | return -EINVAL; | |
1159 | if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) | |
195a4ef6 | 1160 | return -EINVAL; |
a225452e MCC |
1161 | |
1162 | mutex_lock(&dev->lock); | |
a3a048ce | 1163 | |
195a4ef6 | 1164 | dev->ctl_freq = f->frequency; |
f2cf250a | 1165 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); |
a6c2ba28 | 1166 | |
195a4ef6 | 1167 | mutex_unlock(&dev->lock); |
efc52a94 | 1168 | |
195a4ef6 MCC |
1169 | return 0; |
1170 | } | |
a6c2ba28 | 1171 | |
1e7ad56f MCC |
1172 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1173 | static int em28xx_reg_len(int reg) | |
1174 | { | |
1175 | switch (reg) { | |
41facaa4 MCC |
1176 | case EM28XX_R40_AC97LSB: |
1177 | case EM28XX_R30_HSCALELOW: | |
1178 | case EM28XX_R32_VSCALELOW: | |
1e7ad56f MCC |
1179 | return 2; |
1180 | default: | |
1181 | return 1; | |
1182 | } | |
1183 | } | |
1184 | ||
14983d81 | 1185 | static int vidioc_g_chip_ident(struct file *file, void *priv, |
aecde8b5 | 1186 | struct v4l2_dbg_chip_ident *chip) |
14983d81 MCC |
1187 | { |
1188 | struct em28xx_fh *fh = priv; | |
1189 | struct em28xx *dev = fh->dev; | |
1190 | ||
1191 | chip->ident = V4L2_IDENT_NONE; | |
1192 | chip->revision = 0; | |
1193 | ||
f2cf250a | 1194 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_chip_ident, chip); |
14983d81 MCC |
1195 | |
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | ||
1e7ad56f | 1200 | static int vidioc_g_register(struct file *file, void *priv, |
aecde8b5 | 1201 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1202 | { |
1203 | struct em28xx_fh *fh = priv; | |
1204 | struct em28xx *dev = fh->dev; | |
1205 | int ret; | |
1206 | ||
aecde8b5 | 1207 | switch (reg->match.type) { |
14983d81 | 1208 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1209 | mutex_lock(&dev->lock); |
1210 | ret = em28xx_read_ac97(dev, reg->reg); | |
1211 | mutex_unlock(&dev->lock); | |
1212 | if (ret < 0) | |
1213 | return ret; | |
1214 | ||
1215 | reg->val = ret; | |
aecde8b5 | 1216 | reg->size = 1; |
531c98e7 | 1217 | return 0; |
14983d81 | 1218 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
f2cf250a | 1219 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg); |
14983d81 MCC |
1220 | return 0; |
1221 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1222 | /* Not supported yet */ | |
1e7ad56f | 1223 | return -EINVAL; |
14983d81 | 1224 | default: |
aecde8b5 | 1225 | if (!v4l2_chip_match_host(®->match)) |
14983d81 MCC |
1226 | return -EINVAL; |
1227 | } | |
1e7ad56f | 1228 | |
14983d81 | 1229 | /* Match host */ |
aecde8b5 HV |
1230 | reg->size = em28xx_reg_len(reg->reg); |
1231 | if (reg->size == 1) { | |
efc52a94 | 1232 | mutex_lock(&dev->lock); |
1e7ad56f | 1233 | ret = em28xx_read_reg(dev, reg->reg); |
efc52a94 MCC |
1234 | mutex_unlock(&dev->lock); |
1235 | ||
1e7ad56f MCC |
1236 | if (ret < 0) |
1237 | return ret; | |
1238 | ||
1239 | reg->val = ret; | |
1240 | } else { | |
aecde8b5 | 1241 | __le16 val = 0; |
efc52a94 | 1242 | mutex_lock(&dev->lock); |
1e7ad56f MCC |
1243 | ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS, |
1244 | reg->reg, (char *)&val, 2); | |
efc52a94 | 1245 | mutex_unlock(&dev->lock); |
1e7ad56f MCC |
1246 | if (ret < 0) |
1247 | return ret; | |
1248 | ||
aecde8b5 | 1249 | reg->val = le16_to_cpu(val); |
1e7ad56f MCC |
1250 | } |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int vidioc_s_register(struct file *file, void *priv, | |
aecde8b5 | 1256 | struct v4l2_dbg_register *reg) |
1e7ad56f MCC |
1257 | { |
1258 | struct em28xx_fh *fh = priv; | |
1259 | struct em28xx *dev = fh->dev; | |
aecde8b5 | 1260 | __le16 buf; |
efc52a94 | 1261 | int rc; |
1e7ad56f | 1262 | |
aecde8b5 | 1263 | switch (reg->match.type) { |
14983d81 | 1264 | case V4L2_CHIP_MATCH_AC97: |
531c98e7 MCC |
1265 | mutex_lock(&dev->lock); |
1266 | rc = em28xx_write_ac97(dev, reg->reg, reg->val); | |
1267 | mutex_unlock(&dev->lock); | |
1268 | ||
1269 | return rc; | |
14983d81 | 1270 | case V4L2_CHIP_MATCH_I2C_DRIVER: |
f2cf250a | 1271 | v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg); |
14983d81 MCC |
1272 | return 0; |
1273 | case V4L2_CHIP_MATCH_I2C_ADDR: | |
1274 | /* Not supported yet */ | |
1275 | return -EINVAL; | |
1276 | default: | |
aecde8b5 | 1277 | if (!v4l2_chip_match_host(®->match)) |
14983d81 | 1278 | return -EINVAL; |
531c98e7 MCC |
1279 | } |
1280 | ||
14983d81 | 1281 | /* Match host */ |
aecde8b5 | 1282 | buf = cpu_to_le16(reg->val); |
1e7ad56f | 1283 | |
efc52a94 MCC |
1284 | mutex_lock(&dev->lock); |
1285 | rc = em28xx_write_regs(dev, reg->reg, (char *)&buf, | |
1286 | em28xx_reg_len(reg->reg)); | |
1287 | mutex_unlock(&dev->lock); | |
1288 | ||
1289 | return rc; | |
1e7ad56f MCC |
1290 | } |
1291 | #endif | |
1292 | ||
1293 | ||
195a4ef6 MCC |
1294 | static int vidioc_cropcap(struct file *file, void *priv, |
1295 | struct v4l2_cropcap *cc) | |
1296 | { | |
1297 | struct em28xx_fh *fh = priv; | |
1298 | struct em28xx *dev = fh->dev; | |
1299 | ||
1300 | if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
a6c2ba28 | 1301 | return -EINVAL; |
a6c2ba28 | 1302 | |
195a4ef6 MCC |
1303 | cc->bounds.left = 0; |
1304 | cc->bounds.top = 0; | |
1305 | cc->bounds.width = dev->width; | |
1306 | cc->bounds.height = dev->height; | |
1307 | cc->defrect = cc->bounds; | |
1308 | cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ | |
1309 | cc->pixelaspect.denominator = 59; | |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | static int vidioc_streamon(struct file *file, void *priv, | |
1315 | enum v4l2_buf_type type) | |
1316 | { | |
1317 | struct em28xx_fh *fh = priv; | |
1318 | struct em28xx *dev = fh->dev; | |
1319 | int rc; | |
1320 | ||
1321 | rc = check_dev(dev); | |
1322 | if (rc < 0) | |
1323 | return rc; | |
1324 | ||
195a4ef6 | 1325 | |
29b59417 MCC |
1326 | mutex_lock(&dev->lock); |
1327 | rc = res_get(fh); | |
29b59417 | 1328 | |
5db0b5e1 MCC |
1329 | if (likely(rc >= 0)) |
1330 | rc = videobuf_streamon(&fh->vb_vidq); | |
efc52a94 MCC |
1331 | |
1332 | mutex_unlock(&dev->lock); | |
1333 | ||
1334 | return rc; | |
195a4ef6 MCC |
1335 | } |
1336 | ||
1337 | static int vidioc_streamoff(struct file *file, void *priv, | |
1338 | enum v4l2_buf_type type) | |
1339 | { | |
1340 | struct em28xx_fh *fh = priv; | |
1341 | struct em28xx *dev = fh->dev; | |
1342 | int rc; | |
1343 | ||
1344 | rc = check_dev(dev); | |
1345 | if (rc < 0) | |
1346 | return rc; | |
1347 | ||
ad0ebb96 MCC |
1348 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1349 | return -EINVAL; | |
1350 | if (type != fh->type) | |
195a4ef6 MCC |
1351 | return -EINVAL; |
1352 | ||
7831364f | 1353 | mutex_lock(&dev->lock); |
efc52a94 MCC |
1354 | |
1355 | videobuf_streamoff(&fh->vb_vidq); | |
ad0ebb96 | 1356 | res_free(fh); |
efc52a94 | 1357 | |
7831364f | 1358 | mutex_unlock(&dev->lock); |
a6c2ba28 | 1359 | |
a6c2ba28 | 1360 | return 0; |
1361 | } | |
1362 | ||
195a4ef6 MCC |
1363 | static int vidioc_querycap(struct file *file, void *priv, |
1364 | struct v4l2_capability *cap) | |
a6c2ba28 | 1365 | { |
195a4ef6 MCC |
1366 | struct em28xx_fh *fh = priv; |
1367 | struct em28xx *dev = fh->dev; | |
1368 | ||
1369 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1370 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 1371 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
195a4ef6 MCC |
1372 | |
1373 | cap->version = EM28XX_VERSION_CODE; | |
1374 | ||
1375 | cap->capabilities = | |
1376 | V4L2_CAP_SLICED_VBI_CAPTURE | | |
1377 | V4L2_CAP_VIDEO_CAPTURE | | |
1378 | V4L2_CAP_AUDIO | | |
1379 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; | |
1380 | ||
ed086314 | 1381 | if (dev->tuner_type != TUNER_ABSENT) |
195a4ef6 MCC |
1382 | cap->capabilities |= V4L2_CAP_TUNER; |
1383 | ||
1384 | return 0; | |
c0477ad9 MCC |
1385 | } |
1386 | ||
78b526a4 | 1387 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, |
bddcf633 | 1388 | struct v4l2_fmtdesc *f) |
a6c2ba28 | 1389 | { |
ed5f1431 MCC |
1390 | struct em28xx_fh *fh = priv; |
1391 | struct em28xx *dev = fh->dev; | |
1392 | ||
bddcf633 | 1393 | if (unlikely(f->index >= ARRAY_SIZE(format))) |
c0477ad9 | 1394 | return -EINVAL; |
195a4ef6 | 1395 | |
ed5f1431 MCC |
1396 | if (dev->board.is_27xx) { |
1397 | struct em28xx_fmt *fmt; | |
1398 | if (f->index) | |
1399 | return -EINVAL; | |
1400 | ||
1401 | f->pixelformat = V4L2_PIX_FMT_RGB565; | |
1402 | fmt = format_by_fourcc(f->pixelformat); | |
1403 | strlcpy(f->description, fmt->name, sizeof(f->description)); | |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
bddcf633 MCC |
1408 | strlcpy(f->description, format[f->index].name, sizeof(f->description)); |
1409 | f->pixelformat = format[f->index].fourcc; | |
195a4ef6 MCC |
1410 | |
1411 | return 0; | |
c0477ad9 MCC |
1412 | } |
1413 | ||
195a4ef6 | 1414 | /* Sliced VBI ioctls */ |
78b526a4 | 1415 | static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 | 1416 | struct v4l2_format *f) |
a6c2ba28 | 1417 | { |
195a4ef6 MCC |
1418 | struct em28xx_fh *fh = priv; |
1419 | struct em28xx *dev = fh->dev; | |
1420 | int rc; | |
a6c2ba28 | 1421 | |
195a4ef6 MCC |
1422 | rc = check_dev(dev); |
1423 | if (rc < 0) | |
1424 | return rc; | |
a6c2ba28 | 1425 | |
195a4ef6 MCC |
1426 | mutex_lock(&dev->lock); |
1427 | ||
1428 | f->fmt.sliced.service_set = 0; | |
f2cf250a | 1429 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f); |
195a4ef6 MCC |
1430 | |
1431 | if (f->fmt.sliced.service_set == 0) | |
1432 | rc = -EINVAL; | |
1433 | ||
1434 | mutex_unlock(&dev->lock); | |
f2cf250a | 1435 | |
195a4ef6 MCC |
1436 | return rc; |
1437 | } | |
1438 | ||
78b526a4 | 1439 | static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv, |
195a4ef6 MCC |
1440 | struct v4l2_format *f) |
1441 | { | |
1442 | struct em28xx_fh *fh = priv; | |
1443 | struct em28xx *dev = fh->dev; | |
1444 | int rc; | |
1445 | ||
1446 | rc = check_dev(dev); | |
1447 | if (rc < 0) | |
1448 | return rc; | |
1449 | ||
1450 | mutex_lock(&dev->lock); | |
f2cf250a | 1451 | v4l2_device_call_all(&dev->v4l2_dev, 0, video, g_fmt, f); |
195a4ef6 MCC |
1452 | mutex_unlock(&dev->lock); |
1453 | ||
1454 | if (f->fmt.sliced.service_set == 0) | |
1455 | return -EINVAL; | |
a6c2ba28 | 1456 | |
1457 | return 0; | |
1458 | } | |
1459 | ||
195a4ef6 MCC |
1460 | |
1461 | static int vidioc_reqbufs(struct file *file, void *priv, | |
1462 | struct v4l2_requestbuffers *rb) | |
a6c2ba28 | 1463 | { |
195a4ef6 MCC |
1464 | struct em28xx_fh *fh = priv; |
1465 | struct em28xx *dev = fh->dev; | |
195a4ef6 | 1466 | int rc; |
a6c2ba28 | 1467 | |
195a4ef6 MCC |
1468 | rc = check_dev(dev); |
1469 | if (rc < 0) | |
1470 | return rc; | |
a6c2ba28 | 1471 | |
a1a6ee74 | 1472 | return videobuf_reqbufs(&fh->vb_vidq, rb); |
a6c2ba28 | 1473 | } |
1474 | ||
195a4ef6 MCC |
1475 | static int vidioc_querybuf(struct file *file, void *priv, |
1476 | struct v4l2_buffer *b) | |
e5589bef | 1477 | { |
195a4ef6 MCC |
1478 | struct em28xx_fh *fh = priv; |
1479 | struct em28xx *dev = fh->dev; | |
1480 | int rc; | |
e5589bef | 1481 | |
195a4ef6 MCC |
1482 | rc = check_dev(dev); |
1483 | if (rc < 0) | |
1484 | return rc; | |
2d50f847 | 1485 | |
a1a6ee74 | 1486 | return videobuf_querybuf(&fh->vb_vidq, b); |
195a4ef6 MCC |
1487 | } |
1488 | ||
1489 | static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) | |
1490 | { | |
1491 | struct em28xx_fh *fh = priv; | |
1492 | struct em28xx *dev = fh->dev; | |
195a4ef6 MCC |
1493 | int rc; |
1494 | ||
1495 | rc = check_dev(dev); | |
1496 | if (rc < 0) | |
1497 | return rc; | |
1498 | ||
a1a6ee74 | 1499 | return videobuf_qbuf(&fh->vb_vidq, b); |
e5589bef MCC |
1500 | } |
1501 | ||
195a4ef6 | 1502 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) |
2d50f847 | 1503 | { |
195a4ef6 MCC |
1504 | struct em28xx_fh *fh = priv; |
1505 | struct em28xx *dev = fh->dev; | |
1506 | int rc; | |
195a4ef6 MCC |
1507 | |
1508 | rc = check_dev(dev); | |
1509 | if (rc < 0) | |
1510 | return rc; | |
2d50f847 | 1511 | |
a1a6ee74 | 1512 | return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); |
ad0ebb96 | 1513 | } |
2d50f847 | 1514 | |
ad0ebb96 | 1515 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
f245e549 | 1516 | static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) |
ad0ebb96 | 1517 | { |
f245e549 | 1518 | struct em28xx_fh *fh = priv; |
2d50f847 | 1519 | |
f245e549 | 1520 | return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8); |
195a4ef6 | 1521 | } |
ad0ebb96 MCC |
1522 | #endif |
1523 | ||
2d50f847 | 1524 | |
0be43754 MCC |
1525 | /* ----------------------------------------------------------- */ |
1526 | /* RADIO ESPECIFIC IOCTLS */ | |
1527 | /* ----------------------------------------------------------- */ | |
1528 | ||
1529 | static int radio_querycap(struct file *file, void *priv, | |
1530 | struct v4l2_capability *cap) | |
1531 | { | |
1532 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1533 | ||
1534 | strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); | |
1535 | strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card)); | |
cb97716f | 1536 | usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); |
0be43754 MCC |
1537 | |
1538 | cap->version = EM28XX_VERSION_CODE; | |
1539 | cap->capabilities = V4L2_CAP_TUNER; | |
1540 | return 0; | |
1541 | } | |
1542 | ||
1543 | static int radio_g_tuner(struct file *file, void *priv, | |
1544 | struct v4l2_tuner *t) | |
1545 | { | |
1546 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1547 | ||
1548 | if (unlikely(t->index > 0)) | |
1549 | return -EINVAL; | |
1550 | ||
1551 | strcpy(t->name, "Radio"); | |
1552 | t->type = V4L2_TUNER_RADIO; | |
1553 | ||
efc52a94 | 1554 | mutex_lock(&dev->lock); |
f2cf250a | 1555 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); |
efc52a94 MCC |
1556 | mutex_unlock(&dev->lock); |
1557 | ||
0be43754 MCC |
1558 | return 0; |
1559 | } | |
1560 | ||
1561 | static int radio_enum_input(struct file *file, void *priv, | |
1562 | struct v4l2_input *i) | |
1563 | { | |
1564 | if (i->index != 0) | |
1565 | return -EINVAL; | |
1566 | strcpy(i->name, "Radio"); | |
1567 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1568 | ||
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a) | |
1573 | { | |
1574 | if (unlikely(a->index)) | |
1575 | return -EINVAL; | |
1576 | ||
1577 | strcpy(a->name, "Radio"); | |
1578 | return 0; | |
1579 | } | |
1580 | ||
1581 | static int radio_s_tuner(struct file *file, void *priv, | |
1582 | struct v4l2_tuner *t) | |
1583 | { | |
1584 | struct em28xx *dev = ((struct em28xx_fh *)priv)->dev; | |
1585 | ||
1586 | if (0 != t->index) | |
1587 | return -EINVAL; | |
1588 | ||
efc52a94 | 1589 | mutex_lock(&dev->lock); |
f2cf250a | 1590 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); |
efc52a94 | 1591 | mutex_unlock(&dev->lock); |
0be43754 MCC |
1592 | |
1593 | return 0; | |
1594 | } | |
1595 | ||
1596 | static int radio_s_audio(struct file *file, void *fh, | |
1597 | struct v4l2_audio *a) | |
1598 | { | |
1599 | return 0; | |
1600 | } | |
1601 | ||
1602 | static int radio_s_input(struct file *file, void *fh, unsigned int i) | |
1603 | { | |
1604 | return 0; | |
1605 | } | |
1606 | ||
1607 | static int radio_queryctrl(struct file *file, void *priv, | |
1608 | struct v4l2_queryctrl *qc) | |
1609 | { | |
1610 | int i; | |
1611 | ||
1612 | if (qc->id < V4L2_CID_BASE || | |
1613 | qc->id >= V4L2_CID_LASTP1) | |
1614 | return -EINVAL; | |
1615 | ||
1616 | for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { | |
1617 | if (qc->id && qc->id == em28xx_qctrl[i].id) { | |
1618 | memcpy(qc, &(em28xx_qctrl[i]), sizeof(*qc)); | |
1619 | return 0; | |
1620 | } | |
1621 | } | |
1622 | ||
1623 | return -EINVAL; | |
1624 | } | |
1625 | ||
195a4ef6 MCC |
1626 | /* |
1627 | * em28xx_v4l2_open() | |
1628 | * inits the device and starts isoc transfer | |
1629 | */ | |
bec43661 | 1630 | static int em28xx_v4l2_open(struct file *filp) |
195a4ef6 | 1631 | { |
bec43661 | 1632 | int minor = video_devdata(filp)->minor; |
1a23f81b MCC |
1633 | int errCode = 0, radio; |
1634 | struct em28xx *dev; | |
1635 | enum v4l2_buf_type fh_type; | |
195a4ef6 | 1636 | struct em28xx_fh *fh; |
2d50f847 | 1637 | |
bec43661 | 1638 | dev = em28xx_get_device(minor, &fh_type, &radio); |
efc52a94 | 1639 | |
818a557e | 1640 | if (NULL == dev) |
195a4ef6 | 1641 | return -ENODEV; |
818a557e MCC |
1642 | |
1643 | mutex_lock(&dev->lock); | |
2d50f847 | 1644 | |
195a4ef6 | 1645 | em28xx_videodbg("open minor=%d type=%s users=%d\n", |
d7aa8020 | 1646 | minor, v4l2_type_names[fh_type], dev->users); |
2d50f847 | 1647 | |
9aeb4b05 | 1648 | |
c67ec53f | 1649 | fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); |
195a4ef6 MCC |
1650 | if (!fh) { |
1651 | em28xx_errdev("em28xx-video.c: Out of memory?!\n"); | |
818a557e | 1652 | mutex_unlock(&dev->lock); |
195a4ef6 MCC |
1653 | return -ENOMEM; |
1654 | } | |
195a4ef6 | 1655 | fh->dev = dev; |
0be43754 | 1656 | fh->radio = radio; |
d7aa8020 | 1657 | fh->type = fh_type; |
195a4ef6 | 1658 | filp->private_data = fh; |
9aeb4b05 | 1659 | |
d7aa8020 | 1660 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) { |
c67ec53f | 1661 | em28xx_set_mode(dev, EM28XX_ANALOG_MODE); |
3687e1e6 | 1662 | em28xx_set_alternate(dev); |
195a4ef6 | 1663 | em28xx_resolution_set(dev); |
2d50f847 | 1664 | |
c67ec53f MCC |
1665 | /* Needed, since GPIO might have disabled power of |
1666 | some i2c device | |
1667 | */ | |
1a23f81b | 1668 | em28xx_wake_i2c(dev); |
c67ec53f | 1669 | |
2d50f847 | 1670 | } |
0be43754 MCC |
1671 | if (fh->radio) { |
1672 | em28xx_videodbg("video_open: setting radio device\n"); | |
f2cf250a | 1673 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); |
0be43754 | 1674 | } |
2d50f847 | 1675 | |
195a4ef6 | 1676 | dev->users++; |
2d50f847 | 1677 | |
ad0ebb96 MCC |
1678 | videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops, |
1679 | NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED, | |
1680 | sizeof(struct em28xx_buffer), fh); | |
1681 | ||
195a4ef6 | 1682 | mutex_unlock(&dev->lock); |
c67ec53f | 1683 | |
195a4ef6 | 1684 | return errCode; |
2d50f847 | 1685 | } |
e5589bef | 1686 | |
a6c2ba28 | 1687 | /* |
195a4ef6 MCC |
1688 | * em28xx_realease_resources() |
1689 | * unregisters the v4l2,i2c and usb devices | |
1690 | * called when the device gets disconected or at module unload | |
1691 | */ | |
1a23f81b | 1692 | void em28xx_release_analog_resources(struct em28xx *dev) |
a6c2ba28 | 1693 | { |
a6c2ba28 | 1694 | |
195a4ef6 | 1695 | /*FIXME: I2C IR should be disconnected */ |
a6c2ba28 | 1696 | |
0be43754 MCC |
1697 | if (dev->radio_dev) { |
1698 | if (-1 != dev->radio_dev->minor) | |
1699 | video_unregister_device(dev->radio_dev); | |
1700 | else | |
1701 | video_device_release(dev->radio_dev); | |
1702 | dev->radio_dev = NULL; | |
1703 | } | |
1704 | if (dev->vbi_dev) { | |
49240444 DH |
1705 | em28xx_info("V4L2 device /dev/vbi%d deregistered\n", |
1706 | dev->vbi_dev->num); | |
0be43754 MCC |
1707 | if (-1 != dev->vbi_dev->minor) |
1708 | video_unregister_device(dev->vbi_dev); | |
1709 | else | |
1710 | video_device_release(dev->vbi_dev); | |
1711 | dev->vbi_dev = NULL; | |
1712 | } | |
1713 | if (dev->vdev) { | |
49240444 DH |
1714 | em28xx_info("V4L2 device /dev/video%d deregistered\n", |
1715 | dev->vdev->num); | |
0be43754 MCC |
1716 | if (-1 != dev->vdev->minor) |
1717 | video_unregister_device(dev->vdev); | |
1718 | else | |
1719 | video_device_release(dev->vdev); | |
1720 | dev->vdev = NULL; | |
1721 | } | |
195a4ef6 | 1722 | } |
a6c2ba28 | 1723 | |
195a4ef6 MCC |
1724 | /* |
1725 | * em28xx_v4l2_close() | |
6ea54d93 DSL |
1726 | * stops streaming and deallocates all resources allocated by the v4l2 |
1727 | * calls and ioctls | |
195a4ef6 | 1728 | */ |
bec43661 | 1729 | static int em28xx_v4l2_close(struct file *filp) |
195a4ef6 MCC |
1730 | { |
1731 | struct em28xx_fh *fh = filp->private_data; | |
1732 | struct em28xx *dev = fh->dev; | |
1733 | int errCode; | |
a6c2ba28 | 1734 | |
195a4ef6 | 1735 | em28xx_videodbg("users=%d\n", dev->users); |
a6c2ba28 | 1736 | |
a6c2ba28 | 1737 | |
7831364f | 1738 | mutex_lock(&dev->lock); |
195a4ef6 MCC |
1739 | if (res_check(fh)) |
1740 | res_free(fh); | |
a6c2ba28 | 1741 | |
195a4ef6 | 1742 | if (dev->users == 1) { |
ad0ebb96 MCC |
1743 | videobuf_stop(&fh->vb_vidq); |
1744 | videobuf_mmap_free(&fh->vb_vidq); | |
a6c2ba28 | 1745 | |
195a4ef6 MCC |
1746 | /* the device is already disconnect, |
1747 | free the remaining resources */ | |
1748 | if (dev->state & DEV_DISCONNECTED) { | |
1749 | em28xx_release_resources(dev); | |
1750 | mutex_unlock(&dev->lock); | |
1751 | kfree(dev); | |
1752 | return 0; | |
1753 | } | |
a6c2ba28 | 1754 | |
eb6c9634 | 1755 | /* Save some power by putting tuner to sleep */ |
7c9fc9d5 | 1756 | v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_standby); |
eb6c9634 | 1757 | |
d7aa8020 AT |
1758 | /* do this before setting alternate! */ |
1759 | em28xx_uninit_isoc(dev); | |
2fe3e2ee | 1760 | em28xx_set_mode(dev, EM28XX_SUSPEND); |
d7aa8020 | 1761 | |
195a4ef6 MCC |
1762 | /* set alternate 0 */ |
1763 | dev->alt = 0; | |
1764 | em28xx_videodbg("setting alternate 0\n"); | |
1765 | errCode = usb_set_interface(dev->udev, 0, 0); | |
1766 | if (errCode < 0) { | |
1767 | em28xx_errdev("cannot change alternate number to " | |
1768 | "0 (error=%i)\n", errCode); | |
1769 | } | |
9aeb4b05 | 1770 | } |
195a4ef6 MCC |
1771 | kfree(fh); |
1772 | dev->users--; | |
1773 | wake_up_interruptible_nr(&dev->open, 1); | |
1774 | mutex_unlock(&dev->lock); | |
1775 | return 0; | |
1776 | } | |
a6c2ba28 | 1777 | |
195a4ef6 MCC |
1778 | /* |
1779 | * em28xx_v4l2_read() | |
1780 | * will allocate buffers when called for the first time | |
1781 | */ | |
1782 | static ssize_t | |
6ea54d93 | 1783 | em28xx_v4l2_read(struct file *filp, char __user *buf, size_t count, |
f245e549 | 1784 | loff_t *pos) |
195a4ef6 | 1785 | { |
195a4ef6 MCC |
1786 | struct em28xx_fh *fh = filp->private_data; |
1787 | struct em28xx *dev = fh->dev; | |
ad0ebb96 MCC |
1788 | int rc; |
1789 | ||
1790 | rc = check_dev(dev); | |
1791 | if (rc < 0) | |
1792 | return rc; | |
a6c2ba28 | 1793 | |
195a4ef6 MCC |
1794 | /* FIXME: read() is not prepared to allow changing the video |
1795 | resolution while streaming. Seems a bug at em28xx_set_fmt | |
1796 | */ | |
a6c2ba28 | 1797 | |
ad0ebb96 | 1798 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
29b59417 MCC |
1799 | mutex_lock(&dev->lock); |
1800 | rc = res_get(fh); | |
1801 | mutex_unlock(&dev->lock); | |
1802 | ||
1803 | if (unlikely(rc < 0)) | |
1804 | return rc; | |
195a4ef6 | 1805 | |
ad0ebb96 MCC |
1806 | return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, |
1807 | filp->f_flags & O_NONBLOCK); | |
195a4ef6 | 1808 | } |
ad0ebb96 | 1809 | return 0; |
a6c2ba28 | 1810 | } |
1811 | ||
1812 | /* | |
195a4ef6 MCC |
1813 | * em28xx_v4l2_poll() |
1814 | * will allocate buffers when called for the first time | |
a6c2ba28 | 1815 | */ |
a1a6ee74 | 1816 | static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table *wait) |
a6c2ba28 | 1817 | { |
a3a048ce | 1818 | struct em28xx_fh *fh = filp->private_data; |
195a4ef6 | 1819 | struct em28xx *dev = fh->dev; |
ad0ebb96 MCC |
1820 | int rc; |
1821 | ||
1822 | rc = check_dev(dev); | |
1823 | if (rc < 0) | |
1824 | return rc; | |
a6c2ba28 | 1825 | |
29b59417 MCC |
1826 | mutex_lock(&dev->lock); |
1827 | rc = res_get(fh); | |
1828 | mutex_unlock(&dev->lock); | |
1829 | ||
1830 | if (unlikely(rc < 0)) | |
195a4ef6 | 1831 | return POLLERR; |
a6c2ba28 | 1832 | |
ad0ebb96 MCC |
1833 | if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) |
1834 | return POLLERR; | |
a6c2ba28 | 1835 | |
ad0ebb96 | 1836 | return videobuf_poll_stream(filp, &fh->vb_vidq, wait); |
195a4ef6 | 1837 | } |
a6c2ba28 | 1838 | |
195a4ef6 MCC |
1839 | /* |
1840 | * em28xx_v4l2_mmap() | |
1841 | */ | |
1842 | static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) | |
1843 | { | |
1844 | struct em28xx_fh *fh = filp->private_data; | |
1845 | struct em28xx *dev = fh->dev; | |
ad0ebb96 | 1846 | int rc; |
a6c2ba28 | 1847 | |
ad0ebb96 MCC |
1848 | rc = check_dev(dev); |
1849 | if (rc < 0) | |
1850 | return rc; | |
a6c2ba28 | 1851 | |
29b59417 MCC |
1852 | mutex_lock(&dev->lock); |
1853 | rc = res_get(fh); | |
1854 | mutex_unlock(&dev->lock); | |
1855 | ||
1856 | if (unlikely(rc < 0)) | |
1857 | return rc; | |
1858 | ||
ad0ebb96 | 1859 | rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); |
a6c2ba28 | 1860 | |
ad0ebb96 MCC |
1861 | em28xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n", |
1862 | (unsigned long)vma->vm_start, | |
1863 | (unsigned long)vma->vm_end-(unsigned long)vma->vm_start, | |
1864 | rc); | |
a6c2ba28 | 1865 | |
ad0ebb96 | 1866 | return rc; |
a6c2ba28 | 1867 | } |
1868 | ||
bec43661 | 1869 | static const struct v4l2_file_operations em28xx_v4l_fops = { |
195a4ef6 MCC |
1870 | .owner = THIS_MODULE, |
1871 | .open = em28xx_v4l2_open, | |
1872 | .release = em28xx_v4l2_close, | |
1873 | .read = em28xx_v4l2_read, | |
1874 | .poll = em28xx_v4l2_poll, | |
1875 | .mmap = em28xx_v4l2_mmap, | |
1876 | .ioctl = video_ioctl2, | |
195a4ef6 | 1877 | }; |
17cbe2e5 | 1878 | |
a399810c | 1879 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
195a4ef6 | 1880 | .vidioc_querycap = vidioc_querycap, |
78b526a4 HV |
1881 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1882 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1883 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1884 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
195a4ef6 MCC |
1885 | .vidioc_g_audio = vidioc_g_audio, |
1886 | .vidioc_s_audio = vidioc_s_audio, | |
1887 | .vidioc_cropcap = vidioc_cropcap, | |
1888 | ||
78b526a4 HV |
1889 | .vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap, |
1890 | .vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
1891 | .vidioc_s_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap, | |
195a4ef6 MCC |
1892 | |
1893 | .vidioc_reqbufs = vidioc_reqbufs, | |
1894 | .vidioc_querybuf = vidioc_querybuf, | |
1895 | .vidioc_qbuf = vidioc_qbuf, | |
1896 | .vidioc_dqbuf = vidioc_dqbuf, | |
1897 | .vidioc_s_std = vidioc_s_std, | |
1898 | .vidioc_enum_input = vidioc_enum_input, | |
1899 | .vidioc_g_input = vidioc_g_input, | |
1900 | .vidioc_s_input = vidioc_s_input, | |
1901 | .vidioc_queryctrl = vidioc_queryctrl, | |
1902 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1903 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1904 | .vidioc_streamon = vidioc_streamon, | |
1905 | .vidioc_streamoff = vidioc_streamoff, | |
1906 | .vidioc_g_tuner = vidioc_g_tuner, | |
1907 | .vidioc_s_tuner = vidioc_s_tuner, | |
1908 | .vidioc_g_frequency = vidioc_g_frequency, | |
1909 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1910 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1911 | .vidioc_g_register = vidioc_g_register, | |
1912 | .vidioc_s_register = vidioc_s_register, | |
14983d81 | 1913 | .vidioc_g_chip_ident = vidioc_g_chip_ident, |
1e7ad56f | 1914 | #endif |
ad0ebb96 MCC |
1915 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1916 | .vidiocgmbuf = vidiocgmbuf, | |
1917 | #endif | |
a399810c HV |
1918 | }; |
1919 | ||
1920 | static const struct video_device em28xx_video_template = { | |
1921 | .fops = &em28xx_v4l_fops, | |
1922 | .release = video_device_release, | |
1923 | .ioctl_ops = &video_ioctl_ops, | |
1924 | ||
1925 | .minor = -1, | |
195a4ef6 MCC |
1926 | |
1927 | .tvnorms = V4L2_STD_ALL, | |
7d497f8a | 1928 | .current_norm = V4L2_STD_PAL, |
a6c2ba28 | 1929 | }; |
1930 | ||
bec43661 | 1931 | static const struct v4l2_file_operations radio_fops = { |
a399810c HV |
1932 | .owner = THIS_MODULE, |
1933 | .open = em28xx_v4l2_open, | |
1934 | .release = em28xx_v4l2_close, | |
1935 | .ioctl = video_ioctl2, | |
a399810c HV |
1936 | }; |
1937 | ||
1938 | static const struct v4l2_ioctl_ops radio_ioctl_ops = { | |
0be43754 MCC |
1939 | .vidioc_querycap = radio_querycap, |
1940 | .vidioc_g_tuner = radio_g_tuner, | |
1941 | .vidioc_enum_input = radio_enum_input, | |
1942 | .vidioc_g_audio = radio_g_audio, | |
1943 | .vidioc_s_tuner = radio_s_tuner, | |
1944 | .vidioc_s_audio = radio_s_audio, | |
1945 | .vidioc_s_input = radio_s_input, | |
1946 | .vidioc_queryctrl = radio_queryctrl, | |
1947 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1948 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1949 | .vidioc_g_frequency = vidioc_g_frequency, | |
1950 | .vidioc_s_frequency = vidioc_s_frequency, | |
1e7ad56f MCC |
1951 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1952 | .vidioc_g_register = vidioc_g_register, | |
1953 | .vidioc_s_register = vidioc_s_register, | |
1954 | #endif | |
0be43754 MCC |
1955 | }; |
1956 | ||
a399810c HV |
1957 | static struct video_device em28xx_radio_template = { |
1958 | .name = "em28xx-radio", | |
a399810c HV |
1959 | .fops = &radio_fops, |
1960 | .ioctl_ops = &radio_ioctl_ops, | |
1961 | .minor = -1, | |
1962 | }; | |
1963 | ||
6ea54d93 | 1964 | /******************************** usb interface ******************************/ |
a6c2ba28 | 1965 | |
6d79468d | 1966 | |
6d79468d | 1967 | |
532fe652 | 1968 | static struct video_device *em28xx_vdev_init(struct em28xx *dev, |
a1a6ee74 NS |
1969 | const struct video_device *template, |
1970 | const char *type_name) | |
0be43754 MCC |
1971 | { |
1972 | struct video_device *vfd; | |
1973 | ||
1974 | vfd = video_device_alloc(); | |
1975 | if (NULL == vfd) | |
1976 | return NULL; | |
f2cf250a DSL |
1977 | |
1978 | *vfd = *template; | |
1979 | vfd->minor = -1; | |
1980 | vfd->v4l2_dev = &dev->v4l2_dev; | |
1981 | vfd->release = video_device_release; | |
1982 | vfd->debug = video_debug; | |
0be43754 MCC |
1983 | |
1984 | snprintf(vfd->name, sizeof(vfd->name), "%s %s", | |
1985 | dev->name, type_name); | |
1986 | ||
1987 | return vfd; | |
1988 | } | |
1989 | ||
2e5ef2df | 1990 | int em28xx_register_analog_devices(struct em28xx *dev) |
1a23f81b | 1991 | { |
6e7b9ea0 | 1992 | u8 val; |
2e5ef2df MCC |
1993 | int ret; |
1994 | ||
1a23f81b MCC |
1995 | printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", |
1996 | dev->name, | |
1997 | (EM28XX_VERSION_CODE >> 16) & 0xff, | |
1998 | (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); | |
1999 | ||
24c3c415 MCC |
2000 | /* set default norm */ |
2001 | dev->norm = em28xx_video_template.current_norm; | |
24c3c415 | 2002 | dev->interlaced = EM28XX_INTERLACED_DEFAULT; |
24c3c415 MCC |
2003 | dev->ctl_input = 0; |
2004 | ||
1a23f81b MCC |
2005 | /* Analog specific initialization */ |
2006 | dev->format = &format[0]; | |
ed5f1431 MCC |
2007 | em28xx_set_video_format(dev, format[0].fourcc, |
2008 | norm_maxw(dev), norm_maxh(dev)); | |
2009 | ||
24c3c415 MCC |
2010 | video_mux(dev, dev->ctl_input); |
2011 | ||
2012 | /* Audio defaults */ | |
2013 | dev->mute = 1; | |
2014 | dev->volume = 0x1f; | |
1a23f81b MCC |
2015 | |
2016 | /* enable vbi capturing */ | |
2017 | ||
2018 | /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ | |
a1a6ee74 NS |
2019 | val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); |
2020 | em28xx_write_reg(dev, EM28XX_R0F_XCLK, | |
2021 | (EM28XX_XCLK_AUDIO_UNMUTE | val)); | |
1a23f81b MCC |
2022 | em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51); |
2023 | ||
1a23f81b MCC |
2024 | em28xx_set_outfmt(dev); |
2025 | em28xx_colorlevels_set_default(dev); | |
2026 | em28xx_compression_disable(dev); | |
2027 | ||
818a557e MCC |
2028 | /* allocate and fill video video_device struct */ |
2029 | dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); | |
2030 | if (!dev->vdev) { | |
2031 | em28xx_errdev("cannot allocate video_device.\n"); | |
2032 | return -ENODEV; | |
2033 | } | |
2034 | ||
2035 | /* register v4l2 video video_device */ | |
2036 | ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER, | |
2037 | video_nr[dev->devno]); | |
2038 | if (ret) { | |
2039 | em28xx_errdev("unable to register video device (error=%i).\n", | |
2040 | ret); | |
2041 | return ret; | |
2042 | } | |
2043 | ||
2044 | /* Allocate and fill vbi video_device struct */ | |
2045 | dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi"); | |
2046 | ||
2047 | /* register v4l2 vbi video_device */ | |
2048 | ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, | |
2049 | vbi_nr[dev->devno]); | |
2050 | if (ret < 0) { | |
2051 | em28xx_errdev("unable to register vbi device\n"); | |
2052 | return ret; | |
2053 | } | |
2054 | ||
2055 | if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) { | |
a1a6ee74 NS |
2056 | dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, |
2057 | "radio"); | |
818a557e MCC |
2058 | if (!dev->radio_dev) { |
2059 | em28xx_errdev("cannot allocate video_device.\n"); | |
2060 | return -ENODEV; | |
2061 | } | |
2062 | ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, | |
2063 | radio_nr[dev->devno]); | |
2064 | if (ret < 0) { | |
2065 | em28xx_errdev("can't register radio device\n"); | |
2066 | return ret; | |
2067 | } | |
2068 | em28xx_info("Registered radio device as /dev/radio%d\n", | |
2069 | dev->radio_dev->num); | |
2070 | } | |
2071 | ||
2072 | em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", | |
2073 | dev->vdev->num, dev->vbi_dev->num); | |
2074 | ||
2075 | return 0; | |
2076 | } |